The most distinct part of making an epaper laptop is obviously the screen. And picking a screen for this project was always going to be one of the most critical decisions. The biggest available panel I could find with a somewhat reasonable price was a 10.3” Waveshare panel that also shipped as a separate HDMI screen. Since the panel would always be a big expenditure having the comfort of knowing I could always fall back to just using…
Ever since I got my first ereader twelve years ago I’ve wanted an epaper laptop. The allure of a laptop which would work in direct sunlight and has incredible battery life has always drawn me. Sure, laptops have come a long way in the past twelve years, especially the battery life aspect has gotten much better. But there’s still nothing which beats epaper when it comes to the direct sunlight application. Whether or not I…
Error handling, a contentious and oft-discussed topic. Each language has some way of dealing with errors, be it error codes, result types, exceptions, something entirely different, or a mix. How to properly deal with things going wrong in our programs has been important pretty much ever since we started writing programs. Papers have been written about it, talks have been held on the topic, and countless libraries have been written to bring one languages way…
Recently I was met with an interesting problem when wrapping a C library in Nim. The library in question was MAPM, an older but quite complete library for dealing with arbitrary precision maths. Unfortunately the library doesn’t have much in the way of error handling. If something goes wrong it almost always writes to stderr and returns the number 0. And to be fair, there isn’t a whole lot that can go wrong in…
Nim is a great candidate for server development, but if you want to run your own server and are new to the world of server management or Linux there can be a daunting amount of information to consume in order to do it right. In this article I’ll give a quick rundown of setting up a small server capable of running your Nim server in a safe way. It is much more low-level than many…